IBRAHIM, Een. Development of snake ladder instructional media using STAD cooperative model for class VIII MTS students. Journal of Science Education Research, [S. l.], v. 5, n. 1, p. 14–20, 2021. DOI: 10.21831/jser.v5i1.38265. Disponível em: https://journal.uny.ac.id/index.php/jser/article/view/38265. Acesso em: 9 may. 2025.